Oil Tank Removal Cost in New Hampshire
Nobody can price this over the phone honestly, and the sites that publish a single confident figure are either quoting the easiest possible version of the job or hoping you will not read the conditions.
So rather than add another invented average, here is what the companies working this region and the national cost guides actually publish, side by side, with what each figure covers. They disagree by about four times. The reason they disagree is the useful part.
What Other Companies Publish for a Removal
Read the third column before the second. Almost the entire spread below is scope rather than margin, and a figure quoted without its conditions attached tells you nothing you can compare.
| Job | Published figure | What that figure covers | Whose figure |
|---|---|---|---|
| Basement tank removal | $475 | Average, in an easily accessible unfinished basement within 25 miles of their Wakefield MA office. Covers pumping, cutting, interior cleaning, pipe removal, patching, disposal and permit submission. Restricted access, meaning doors under 29 inches, crawl spaces or narrow stairways, adds about $50. No power on site adds $75. | CommTank |
| Aboveground tank removal | $300 to $1,000 | National guide figure, no regional adjustment and no scope stated. | HomeAdvisor |
| Aboveground tank removal | $500 to $1,500, averaging $1,100 | National guide figure for 2026. | HomeGuide |
| Any tank removal, national average | $1,357 | Normal range given as $593 to $2,153, across all tank types and locations. | HomeAdvisor |
| Underground tank removal | $900 to $3,600, averaging $1,900 | National guide figure for 2026, varying by tank size. | HomeGuide |
| Underground tank removal | $4,200 to $5,900 | 275, 500 or 1,000 gallon. Includes permits, fuel pumping, vapor evacuation, cutting, excavation, hoisting, groundwater and soil sampling, fire department inspection, cleanup and site restoration. The sampling and restoration are most of the gap to the national figures above. | CommTank |
| Abandonment in place | $1,000 to $3,000+ | National guide figure. Filling and decommissioning rather than removing. | HomeAdvisor |
| Soil testing | $300 to $500 | National guide figure, separate from removal. | HomeAdvisor |
| Tank tightness testing | $800 to $1,300 | Regional figure, testing an existing tank rather than removing one. | CommTank |
| Soil remediation, if contamination is found | $500 to $17,000 and up | Two national guides, at the low and high end respectively. Genuinely unbounded at the top. Nobody prices this in advance, including us. | HomeGuide |
| Permit, Manchester NH | $0 | From a contractor's permit fee table effective June 1, 2025, which lists Manchester, Nashua and Concord at zero alongside Massachusetts municipalities charging $50 to $110. Confirm with the city before relying on it. | CommTank |
These are other companies’ and national cost guides’ published figures, quoted as they appear, checked August 14, 2026. None of them is our price and none of them is a quote for your property. Contractors edit these pages without notice, so check the source before relying on a number.
Aboveground Against Buried
This is the first fork and the biggest. An aboveground tank is a known quantity: drain it, get it out or cut it down, take it away. The work is labor and disposal.
A buried tank adds excavation, machine access, spoil handling, reinstatement of whatever was on top, and the possibility that the ground underneath changes the job entirely. The range is wider because the unknowns are real rather than padding.
Access, Which Is Most of It
For an indoor tank: the width of the narrowest point on the route out, whether the stairs turn, and whether the tank has to be cut down in place. Cutting down is slower, needs the tank purged first, and it is the single most common reason two similar-looking jobs are quoted a long way apart.
For a buried tank: whether a machine can reach it, what it has to cross to get there, and what is on top. A tank under an open lawn and the same tank under a poured driveway are not the same job, and the driveway does not put itself back.
What Is Still in the Tank
Usable oil can be transferred. Old oil, water and the sludge that collects in the low corner are waste, and waste has to be documented and disposed of properly.
A tank that has been sitting unused for fifteen years is usually the worse case, because whatever is in it has had time to separate and go off. Being straight about how long it has been out of use helps the quote be right first time.
The Ground Underneath, Which Nobody Can Price in Advance
Any honest quote for a buried tank prices the removal and says clearly what happens if the soil turns out to be contaminated, because that cannot be known until the tank is out.
It is worth reading that clause rather than skipping it. A quote that stays silent on it has not removed the risk, it has just not told you who is carrying it. And if there is a release, the cleanup runs through the state reimbursement fund, which requires NHDES to approve scope and budget before the corrective work is done.
NHDES, as of August 13, 2026
Why the Published Numbers Disagree
Take the underground row. National guides put a buried tank removal at $900 to $3,600. A contractor working this region publishes $4,200 to $5,900. That is not the same job described twice.
The higher figure includes groundwater and soil sampling, fire department inspection and site restoration. The national figure is the digging. If you take the cheaper quote and then have to sample, test and put the driveway back, you arrive at roughly the same place having discovered the cost one item at a time.
The same thing happens on basement tanks. $475 buys a removal from an easy, accessible, unfinished basement within 25 miles of one particular office. It is a real price and it is a floor price. A finished basement, a turn in the stairs, or a tank that will not fit through the door is a different number, and the conditions are published right next to the figure by the company quoting it.
So a cheap quote is not cheaper. It is less specified, and the gap turns up as a variation once the work has started and you have no leverage left.
CommTank, HomeGuide, as of August 14, 2026
New Hampshire Money That Comes Off the Total
This is the part most quotes never mention. For income-qualified homeowners, NHDES Safetank reimburses up to $4,500 toward removing an underground home heating oil tank and up to $4,000 toward upgrading, or removing and replacing, an aboveground one.
Set that against the table. The $4,500 underground ceiling covers the entire national published range for a buried removal, and most of the fully inclusive regional figure. The $4,000 aboveground ceiling is multiples of every published aboveground removal price on this page.
On most projects the contractor is reimbursed directly, so it comes off what you actually hand over rather than arriving months later.
The conditions matter and they travel with the number. It is income-qualified, NHDES decides eligibility rather than us, it is a reimbursement against pre-approved work rather than a discount, and the ceilings are ceilings rather than payments. Work has to be approved before it starts, so this is available on a planned job and generally not on an emergency one. How to claim it.
NHDES, HomeGuide, as of August 14, 2026
Reading a Quote Properly
Check that disposal is included and that you get the record. Check whether reinstatement means backfilled or means the driveway actually goes back. Check what happens if the soil is contaminated. Check whether the figure assumes the tank leaves whole.
A cheap quote that answers none of those is not cheaper, it is less specified. The gap turns up as a variation once the work has started and you have no leverage left.
Common Questions
- How much does it cost to remove an oil tank in New Hampshire?
- It depends far too much on access and on whether the tank is buried for a single number to be useful. What we will say is that we quote in writing after looking, and that the state grant can take up to $4,500 off a buried tank removal for income-qualified homeowners.
- Why do quotes vary so much?
- Mostly access, and mostly whether the tank can leave whole. After that: what is left inside it, what is on top of it if it is buried, and whether the quote covers what happens if the ground turns out to be contaminated.
- Is it cheaper to fill a buried tank than remove it?
- Sometimes, and it is legitimate where removal would mean undermining a foundation or rebuilding a driveway. It is the wrong reason to choose it if it is being offered purely to get the price down, because it leaves something in the ground that has to be documented.
- Does the grant apply to a straight removal with no replacement?
- For an underground tank the program covers removal directly. For an aboveground tank it is framed around upgrading, replacing, or removing and replacing, so a removal with nothing going back is the case to check rather than assume.
- Do you charge for the site visit?
- No. We would rather look than guess, because a guess that turns out wrong costs you a variation and costs us the job.
Related
Reviewed August 13, 2026. Every figure on this page is dated and listed on our sources page.